CN114263125B - Bridge deck supporting system of beam changing machine and beam changing machine - Google Patents
Bridge deck supporting system of beam changing machine and beam changing machine Download PDFInfo
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- CN114263125B CN114263125B CN202111586686.3A CN202111586686A CN114263125B CN 114263125 B CN114263125 B CN 114263125B CN 202111586686 A CN202111586686 A CN 202111586686A CN 114263125 B CN114263125 B CN 114263125B
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Abstract
The disclosure relates to the technical field of bridge frame replacement, in particular to a bridge deck support system of a beam replacement machine and the beam replacement machine. The bridge deck supporting system of the beam changing machine comprises an equalizing beam, a spherical hinge assembly, a hydraulic support and a steel support; the balance beam is a main structure of a bridge deck supporting system, the upper part of the balance beam is connected with the spherical hinge assembly, and the lower part of the balance beam is connected with a hydraulic support and a steel support; the spherical hinge component is used for being connected with the supporting leg of the beam changing machine; the hydraulic support is used for being temporarily supported on the beam surface before beam replacement operation; the steel support is used for supporting on the beam surface during beam replacement operation. The bridge deck supporting system of the beam changing machine is used for supporting the beam changing machine on a bridge in the beam changing operation process, normal running of the beam changing machine is not affected after the beam changing operation is completed, frame changing construction is safely and efficiently completed in a skylight point, and the problem of quick replacement of a railway simply supported T beam under the operation condition is solved.
Description
Technical Field
The disclosure relates to the technical field of bridge frame replacement, in particular to a bridge deck support system of a beam replacement machine and the beam replacement machine.
Background
Along with the increase of the railway operation time in China, some concrete T beams with earlier construction ages have diseases with different degrees such as concrete cracking, peeling and the like, the strength or the rigidity of the concrete T beams can not meet the transportation requirement, and the safe operation of business lines can not be ensured. Meanwhile, due to railway energy expansion and electrification transformation, existing railway transformation is largely carried out in the future. In the face of modern military warfare, natural disasters and emergencies, railway emergency guarantee tasks are extremely important, so that the existing concrete simply supported T beam transportation frame technology is inevitably applied when railway transformation and rush repair are carried out.
The existing railway bridge beam changing technology, such as beam changing by a transverse moving method, beam changing by a portal crane, an automobile crane, beam changing by a bridge girder erection machine and the like, seriously depends on site conditions, needs to seal off line construction for a long time, and affects driving organization and safety. Moreover, the existing beam replacement equipment and technology are difficult to meet the beam replacement construction task under the conditions of high piers, complex topography under bridges, no construction operation site and the like.
Disclosure of Invention
In order to solve the technical problems described above or at least partially solve the technical problems described above, the present disclosure provides a bridge deck support system of a beam changer and a beam changer.
The disclosure provides a bridge deck support system of a beam changing machine, which comprises an equalizing beam, a spherical hinge assembly, a hydraulic support and a steel support;
the balance beam is a main structure of the bridge deck supporting system of the beam changing machine, the upper part of the balance beam is connected with the spherical hinge assembly, and the lower part of the balance beam is connected with the hydraulic support and the steel support;
the lower part of the spherical hinge assembly is connected with the equalizing beam, and the upper part of the spherical hinge assembly is used for being connected with the supporting leg of the beam changing machine;
one end part of the hydraulic support is connected with the equalizing beam, and the other end part of the hydraulic support is used for being temporarily supported on a beam surface before beam replacement operation;
the upper part of the steel support is connected with the balance beam, and the lower part of the steel support is used for being supported on the beam surface during beam replacement operation.
Optionally, an end of the hydraulic support is movably connected to the equalization beam, such that the hydraulic support can be opposed to the equalization Liang Fanshe, and the hydraulic support can be switched between a horizontal state and a vertical state.
Optionally, the upper portion of the steel support is connected to the equalizing beam by a screw thread, so that the steel support can move up and down relative to the equalizing beam, and the lower portion of the steel support can be supported on the beam surface or retracted above the track surface.
Optionally, a supporting spherical hinge is arranged at the lower part of the steel support, and the supporting spherical hinge is used for supporting on the beam surface during beam replacement operation.
Optionally, the bridge deck support system of the beam changer further comprises a bolster disposed on the deck of the beam, the bolster being configured to support the steel support to transfer forces acting on the steel support to the bridge.
Optionally, a friction plate is arranged below the bolster, and the surface of the friction plate facing away from the bolster is in contact with the beam surface.
Optionally, the ball pivot subassembly includes ball seat and tee down, go up the ball seat with tee down swing joint, go up the ball seat with form the arc mating surface between the tee down, go up the ball seat can be relative the tee down rotates about in the first angle scope of predetermineeing.
Optionally, the spherical hinge assembly further comprises a pressing plate, the lower ball seat is connected with the balance beam through the pressing plate, an arc-shaped matching surface is formed between the lower ball seat and the pressing plate, and the lower ball seat can horizontally rotate in two preset angle ranges relative to the balance Liang Zaidi.
Optionally, the bridge deck support system of the beam changing machine further comprises a supporting beam, wherein the supporting beam is arranged on the upper portion of the equalizing beam and is close to one end portion of the equalizing beam, the bottom of the supporting beam is connected with the equalizing beam, and the supporting beam is used for bearing the load transferred from the beam transporting vehicle.
The present disclosure also provides a beam changing machine comprising a deck support system of the beam changing machine as described in any one of the above embodiments.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the bridge deck support system of the beam changer and the beam changer provided by the disclosure have the main functions that the main structure of the beam changer is supported in the beam changer operation process, the force of each working condition of the beam changer is transmitted to an equalizing beam by utilizing a spherical hinge assembly, and the force acting on the equalizing beam is transmitted to a bridge by utilizing a steel support, so that the firm support of the whole beam changer on the bridge is realized, and the safe operation of the beam changer is ensured; the hydraulic support is mainly used for temporarily supporting the beam changing machine before beam changing operation; after the beam replacement operation is completed, the hydraulic support and the steel support of the bridge deck support system of the beam replacement machine are retracted so as not to influence the normal running of the beam replacement machine, thereby ensuring that the frame replacement construction of the whole-hole simply supported T beam is safely and efficiently completed in a skylight point, solving the problem of quick replacement of the railway simply supported T beam under the operation condition, and ensuring that the beam replacement construction task can be completed under the conditions of high piers, complex topography and topography under a bridge, no construction operation site and the like.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of a front view of a deck support system of a beam changer according to an embodiment of the present disclosure;
FIG. 2 is a schematic side view of a deck support system of a beam changer according to an embodiment of the present disclosure;
fig. 3 is a schematic front view of a spherical hinge assembly according to an embodiment of the disclosure;
fig. 4 is a schematic top view of a spherical hinge assembly according to an embodiment of the disclosure;
FIG. 5 is a schematic cross-sectional view of a ball and socket assembly in a left-hand view according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of a deck support system of a beam changer in a leg change configuration according to an embodiment of the present disclosure;
fig. 7 is a schematic structural view of a bridge deck support system of a girder exchange machine according to an embodiment of the present disclosure in a girder erecting state.
Wherein, 1-equalizing the beam; 2-a spherical hinge assembly; 21-tee up; 22-tee down; 221-sliding grooves; 222-a rotating shaft; 223-circular arc mating surface; 23-pressing plates; 24-pin shafts; 3-hydraulic support; 4-steel support; 41-supporting a spherical hinge; 5-supporting beams; 6-a bolster; 7-friction plates; 8-supporting the tail part of the beam transporting vehicle; 9-four-axis trolley;
a-beam surface; b-track plane.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
As shown in fig. 1 to 7, the embodiment of the present disclosure provides a bridge deck support system of a beam changer, which is a part of the beam changer and has a main function of stably supporting the beam changer on a bridge during a beam changing operation, so as to ensure safe performance of the beam changing operation.
Specifically, as shown in fig. 1 and 2, the bridge deck support system of the beam changer comprises an equalizing beam 1, a spherical hinge assembly 2, a hydraulic support 3 and a steel support 4. The balance beam 1 is a main structure of a bridge deck supporting system and is a carrier of each component, the upper part of the balance beam 1 is connected with the spherical hinge assembly 2, and the lower part of the balance beam 1 is connected with the hydraulic support 3 and the steel support 4; the lower part of the spherical hinge assembly 2 is connected with the equalizing beam 1, the upper part of the spherical hinge assembly 2 is used for being connected with the supporting leg of the beam changer, and the main function of the spherical hinge assembly 2 is to transmit the force of each working condition of the beam changer to the equalizing beam 1; one end of the hydraulic support 3 is connected with the equalizing beam 1, the other end of the hydraulic support 3 is used for being temporarily supported on the beam surface a (shown in fig. 6) before beam replacement operation, and the hydraulic support 3 is a temporary supporting leg and is mainly used for temporary support before beam replacement operation; the upper part of the steel support 4 is connected with the equalizing beam 1, the lower part of the steel support 4 is used for supporting on a beam surface a (shown in fig. 7) during beam replacement operation, and the steel support 4 is a direct force transmission structure during beam replacement operation and is used for transmitting the force acting on the steel support 4 to a bridge.
According to the bridge deck support system of the beam changing machine, the hydraulic support 3 is used for temporarily supporting the beam changing machine before beam changing operation; in the beam replacement operation process, the spherical hinge assembly 2 is utilized to transfer the forces of all working conditions of the beam replacement machine to the equalizing beam 1, and the steel support 4 is utilized to transfer the forces acting on the equalizing beam 1 to the bridge, so that the firm support of the whole beam replacement machine on the bridge is realized, and the safe performance of the beam replacement operation is ensured; after the beam replacement operation is completed, the hydraulic support 3 and the steel support 4 of the bridge deck support system of the beam replacement machine are retracted so as not to influence the normal running of the beam replacement machine, thereby ensuring that the frame replacement construction of the whole-hole simply supported T beam is safely and efficiently completed in a skylight point, solving the problem of quick replacement of the railway simply supported T beam under the operation condition, and ensuring that the beam replacement construction task can be completed under the conditions of high piers, complex topography and topography under a bridge, no construction operation site and the like.
In some embodiments of the present disclosure, as shown in fig. 1, 2, 6 and 7, one end of the hydraulic support 3 is movably connected to the equalizer beam 1, so that the hydraulic support 3 can be folded with respect to the equalizer beam 1, and the hydraulic support 3 can be switched between a horizontal state and a vertical state.
Specifically, the hydraulic support 3 can realize the turnover function (for example, 90-degree turnover), and the hydraulic support 3 is in a horizontal state before supporting operation, so that the hydraulic support 3 is positioned above the track surface b and the normal running of the beam changer is not influenced; the hydraulic support 3 is adjusted to be in a vertical state during temporary support, the upper part of the hydraulic support 3 is supported at the bottom of the equalizing beam 1, and the lower part of the hydraulic support 3 is supported on the beam surface a, so that the temporary support function before beam replacement operation is realized.
In some embodiments of the present disclosure, as shown in fig. 1, 2, 6 and 7, an upper portion of the steel support 4 is connected to the equalizer beam 1 by a screw thread, so that the steel support 4 can move up and down with respect to the equalizer beam 1, and a lower portion of the steel support 4 can be supported on the beam surface a or retracted above the track surface b.
Specifically, an external thread can be arranged on the steel support 4, a threaded hole matched with the external thread is arranged on the balance beam 1, the upper part of the steel support 4 is arranged in the threaded hole, and the steel support 4 is rotated to realize the screwing-out and downward movement of the steel support 4; by rotating the steel support 4 in the reverse direction, the steel support 4 is moved up and retracted. When the beam changing machine moves to a beam changing position, the steel support 4 is rotated out and moved downwards, so that the lower part of the steel support 4 is supported on the beam surface a, and a bridge deck support system of the beam changing machine is positioned and waits for bridging; when the beam replacement machine finishes beam replacement and the whole machine prepares to travel to the next beam replacement working point, the lower part of the steel support 4 is retracted to be more than the track surface b and keeps a certain safety distance with the track surface b, and the preparation before traveling is finished; when the steel support 4 is retracted to the highest position, the super overrun requirement of the existing line operation can be met; the steel support 4 adopts the structure, and the support height of the steel support 4 can be adjusted within a certain range so as to adapt to different frame-changing construction conditions.
Further, as shown in fig. 1, 2, 6 and 7, the lower part of the steel support 4 is provided with a supporting spherical hinge 41, the supporting spherical hinge 41 is used for supporting on the beam surface a during beam replacement operation, and the adaptability of local unevenness is met by arranging the supporting spherical hinge 41 at the bottom of the steel support 4.
In some embodiments of the present disclosure, as shown in fig. 1, 2 and 7, the girder-changing machine deck support system further includes a girder 6, the girder 6 being disposed on the girder face a, the girder 6 being for supporting the steel support 4 to transmit a force acting on the steel support 4 to the bridge. Specifically, in operation, the upper portion of the bolster 6 receives the force transmitted from the steel support 4, and the lower portion of the bolster 6 transmits load to the beam body through the buttresses, so that the buttresses are utilized to receive the load transmitted from the beam changer support system, and the stability of the support is ensured.
Further, as shown in fig. 2, a friction plate 7 is arranged below the cushion beam 6, the surface of the friction plate 7 facing away from the cushion beam 6 is in contact with the beam surface a, and the friction plate 7 increases the friction coefficient and also plays a role in protecting the beam surface a.
Specifically, when the beam changing machine operates, the steel support 4 is retracted to a high-position state, the hydraulic support 3 is horizontally fixed after being turned over by 90 degrees, and the cushion beams 6 and the like are arranged on the beam surface a in advance and positioned; when the beam changing machine moves to a beam changing position, the hydraulic support 3 is adjusted to be in a vertical supporting state, the hydraulic support 3 is supported on a beam surface a for temporary support, then the steel support 4 is rotated out and moved down, the lower part of the steel support 4 is supported on the backing beam 6, the hydraulic support 3 is turned over for 90 degrees to be adjusted to be in a horizontal state, and a bridge deck supporting system of the beam changing machine is positioned and waits for bridging; when the beam replacement machine finishes beam replacement, the whole machine prepares to travel to the next beam replacement working point, the hydraulic support 3 is adjusted to be vertical, the bottom of the hydraulic support is supported on the beam surface a, then the steel support 4 is retracted to be above the track surface b and keeps a certain safety distance with the track surface b, the hydraulic support 3 is adjusted to be horizontal, and the travel state preparation is finished, so that the frame replacement construction of the whole-hole simply supported T beam is safely and efficiently finished in a skylight point, and the problem of quick replacement of the railway simply supported T beam under the operation condition is solved.
In some embodiments of the present disclosure, as shown in fig. 3 and 4, the ball hinge assembly 2 includes an upper ball seat 21 and a lower ball seat 22, the upper ball seat 21 and the lower ball seat 22 are movably connected, an arc-shaped mating surface is formed between the upper ball seat 21 and the lower ball seat 22, and the upper ball seat 21 can rotate up and down within a first preset angle range relative to the lower ball seat 22, so as to realize adaptability of a longitudinal slope when the longitudinal slope changes beams.
In particular, a sliding groove 221 may be provided on the lower ball seat 22, the central axis of the sliding groove 221 is parallel to the arc-shaped mating surface formed between the upper ball seat 21 and the lower ball seat 22, a pin 24 is installed in the sliding groove 221, two ends of the pin 24 are fixedly connected with the upper ball seat 21, and the pin 24 can slide along the central axis of the sliding groove 221 in the sliding groove 221, so that the upper ball seat 21 rotates up and down in a certain angle range relative to the lower ball seat 22. It should be noted that the rotation angle range of the upper ball seat 21 relative to the lower ball seat 22 may be determined by the width of the chute 221, and the specific rotation angle range of the upper ball seat 21 relative to the lower ball seat 22 may be set reasonably according to practical situations, which is not limited herein.
Further, as shown in fig. 3 and 5, the spherical hinge assembly 2 further includes a pressing plate 23, the lower ball seat 22 is connected with the equalizing beam 1 through the pressing plate 23, a circular arc-shaped mating surface 223 is formed between the lower ball seat 22 and the pressing plate 23, the lower ball seat 22 can horizontally rotate within a second preset angle range relative to the equalizing beam 1, so that the spherical hinge assembly 2 can realize horizontal angle adjustment within a certain range relative to the equalizing beam 1, and adaptability under a curve section working condition is realized.
In particular, when the bottom of the lower ball seat 22 is connected with the rotating shaft 222, a circular arc-shaped matching surface 223 is formed between the outer side edge of the lower ball seat 22 and the inner side edge of the pressing plate 23, so that the lower ball seat 22 can horizontally rotate relative to the pressing plate 23 within a certain angle range by taking the rotating shaft 222 as an axis, and the specific angle range of the lower ball seat 22 rotating relative to the pressing plate 23 can be reasonably set according to practical situations, and is not particularly limited.
In some embodiments of the present disclosure, as shown in fig. 1 and 2, the bridge deck support system of the girder changer further includes a girder 5, the girder 5 being disposed at an upper portion of the girder 1 and adjacent to an end portion of the girder 1, a bottom portion of the girder 5 being connected to the girder 1, the girder 5 being for bearing a load transferred from the girder carrier to prevent the girder carrier from overturning. It should be understood that the carrier beam 5 is disposed adjacent to one end of the equalizer beam 1, i.e., the carrier beam 5 is disposed offset from the equalizer beam 1 at a middle position in the longitudinal direction, as shown in fig. 1, in which the double-headed arrow indicates the longitudinal direction of the equalizer beam 1. More specifically, the position of the stretcher 5 along the length direction of the equalizer beam 1 may be located between the steel support 4 and the ball pivot assembly 2. In particular, the beam 5 may be an inverted U-shaped beam, and the beam 5 may be configured to bear loads transferred from the beam tail support 8 (or the support of the Liang Cheqian portion) to prevent the beam from tipping.
In some embodiments of the present disclosure, as shown in fig. 1 and 2, the number of the hydraulic supports 3 and the number of the steel supports 4 are all plural, and the plurality of hydraulic supports 3 and the plurality of steel supports 4 are all connected to the lower portion of the equalizing beam 1, specifically, the plurality of hydraulic supports 3 may be connected to the lower portion of the equalizing beam 1 in pairs, and the plurality of steel supports 4 may be connected to the lower portion of the equalizing beam 1 in pairs, so as to improve the stability of the supports.
In particular, the hydraulic supports 3 may be provided in two, four or other numbers as desired; the steel supports 4 may also be provided in two, four or other numbers as desired; when the number of the steel supports 4 is four, the four steel supports 4 can be arranged in a transverse direction and a longitudinal direction in a pair, and a channel for passing beam conveying equipment (such as a four-axis trolley 9) is formed between the two steel supports 4 arranged in the transverse direction. The beam 5 of the above embodiment may be disposed so as to straddle the channel as shown in fig. 2.
The embodiment of the disclosure also provides a beam changing machine, which comprises the bridge deck supporting system of the beam changing machine.
The beam changing machine provided in the embodiments of the present disclosure includes the bridge deck support system of the beam changing machine according to any one of the embodiments, so that the beam changing machine has the beneficial effects of the bridge deck support system of the beam changing machine according to any one of the embodiments, and is not described herein again.
When the girder replacing machine is specifically realized, the girder replacing machine can comprise two sets of bridge deck supporting systems of the girder replacing machine, and the bridge deck supporting systems of the girder replacing machine can be respectively arranged below two ends of a main girder of the girder replacing machine and used for respectively supporting the girders positioned on two sides of the girder to be replaced so as to ensure the normal implementation of girder replacing operation.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The bridge deck supporting system of the beam changing machine is characterized by comprising an equalizing beam (1), a spherical hinge assembly (2), a hydraulic support (3) and a steel support (4);
the balance beam (1) is a main structure of the bridge deck supporting system of the beam changing machine, the upper part of the balance beam (1) is connected with the spherical hinge assembly (2), and the lower part of the balance beam (1) is connected with the hydraulic support (3) and the steel support (4);
the lower part of the spherical hinge assembly (2) is connected with the equalizing beam (1), the upper part of the spherical hinge assembly (2) is used for being connected with a beam changer supporting leg, the spherical hinge assembly (2) comprises an upper ball seat (21) and a lower ball seat (22), the upper ball seat (21) is movably connected with the lower ball seat (22), an arc-shaped matching surface is formed between the upper ball seat (21) and the lower ball seat (22), and the upper ball seat (21) can rotate up and down in a first preset angle range relative to the lower ball seat (22); the spherical hinge assembly (2) further comprises a pressing plate (23), the lower ball seat (22) is connected with the balance beam (1) through the pressing plate (23), an arc-shaped matching surface is formed between the lower ball seat (22) and the pressing plate (23), and the lower ball seat (22) can horizontally rotate in a second preset angle range relative to the balance beam (1);
one end part of the hydraulic support (3) is connected with the balance beam (1), and the other end part of the hydraulic support (3) is used for being temporarily supported on a beam surface (a) before beam replacement operation;
the upper part of the steel support (4) is connected with the balance beam (1), and the lower part of the steel support (4) is used for being supported on the beam surface (a) during beam replacement operation.
2. The girder-changing machine deck support system according to claim 1, characterized in that one end of the hydraulic support (3) is movably connected with the equalization girder (1) so that the hydraulic support (3) can be folded over against the equalization girder (1), and that the hydraulic support (3) can be switched between a horizontal state and a vertical state.
3. The girder-changing machine deck support system according to claim 1, characterized in that the upper part of the steel support (4) is connected with the equalizing girder (1) by means of threads, so that the steel support (4) can be moved up and down with respect to the equalizing girder (1), and the lower part of the steel support (4) can be supported on the girder surface (a) or retracted above the track surface (b).
4. A girder-changing machine deck support system according to claim 3, characterized in that the lower part of the steel support (4) is provided with a supporting spherical hinge (41), said supporting spherical hinge (41) being intended to be supported on the girder face (a) during girder-changing operations.
5. The girder-changing machine deck support system according to claim 1, further comprising a bolster (6), said bolster (6) being arranged on said deck (a), said bolster (6) being adapted to support said steel support (4) for transmitting forces acting on said steel support (4) to a bridge.
6. The girder-changing machine deck support system according to claim 5, characterized in that a friction plate (7) is provided below the girder (6), the surface of the friction plate (7) facing away from the girder (6) being in contact with the girder face (a).
7. The bridge deck support system of a girder replacement machine according to any one of claims 1 to 6, further comprising a bracing beam (5), said bracing beam (5) being provided at an upper portion of said equalization beam (1) and being provided adjacent to an end portion of said equalization beam (1), a bottom portion of said bracing beam (5) being connected to said equalization beam (1), said bracing beam (5) being adapted to bear a load transferred from a girder carrier.
8. A beam changer comprising a deck support system as claimed in any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111586686.3A CN114263125B (en) | 2021-12-23 | 2021-12-23 | Bridge deck supporting system of beam changing machine and beam changing machine |
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| CN202111586686.3A CN114263125B (en) | 2021-12-23 | 2021-12-23 | Bridge deck supporting system of beam changing machine and beam changing machine |
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| CN114263125A CN114263125A (en) | 2022-04-01 |
| CN114263125B true CN114263125B (en) | 2023-08-08 |
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| JP2004332222A (en) * | 2003-04-30 | 2004-11-25 | Mitsubishi Heavy Ind Ltd | Rebuilding construction method for bridge and bridge |
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| CN110747757A (en) * | 2019-11-26 | 2020-02-04 | 中铁第五勘察设计院集团有限公司 | Whole hole beam replacement frame equipment |
| CN110804958A (en) * | 2019-11-26 | 2020-02-18 | 中铁第五勘察设计院集团有限公司 | Whole hole beam frame changing method |
| CN111236092A (en) * | 2020-03-12 | 2020-06-05 | 中铁第五勘察设计院集团有限公司 | Beam changing equipment with transverse moving function |
| CN211973149U (en) * | 2019-12-09 | 2020-11-20 | 中铁第五勘察设计院集团有限公司 | Width-variable supporting leg and bridge erecting machine and beam replacing machine using same |
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2021
- 2021-12-23 CN CN202111586686.3A patent/CN114263125B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004332222A (en) * | 2003-04-30 | 2004-11-25 | Mitsubishi Heavy Ind Ltd | Rebuilding construction method for bridge and bridge |
| CN106436586A (en) * | 2015-08-10 | 2017-02-22 | 北京万桥兴业机械有限公司 | Single-line or double-line railway bridge dismantling and replacing machine |
| CN110747757A (en) * | 2019-11-26 | 2020-02-04 | 中铁第五勘察设计院集团有限公司 | Whole hole beam replacement frame equipment |
| CN110804958A (en) * | 2019-11-26 | 2020-02-18 | 中铁第五勘察设计院集团有限公司 | Whole hole beam frame changing method |
| CN211973149U (en) * | 2019-12-09 | 2020-11-20 | 中铁第五勘察设计院集团有限公司 | Width-variable supporting leg and bridge erecting machine and beam replacing machine using same |
| CN111236092A (en) * | 2020-03-12 | 2020-06-05 | 中铁第五勘察设计院集团有限公司 | Beam changing equipment with transverse moving function |
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|---|---|
| CN114263125A (en) | 2022-04-01 |
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